Losty Tatiana Torres Potter, M.D.

Primary specialty

Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X

License

MD-47081 Issued in IA

Practice address

801 5TH St
Sioux City, IA 51101-1326

Phone

(712) 279-2950

Fax

(712) 279-2520

NPI assigned

Jun 15, 2015

Last updated

Nov 10, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in IA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Endocrinology

Education

Other, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Northwest Iowa Hospital CorporationGroup PAC ID 0749198026, 139 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Lukes Regional Medical Center Hospital, Sioux City, IA, CCN 160146
• Cherokee Regional Medical Center Hospital, Cherokee, IA, CCN 161362
• Buena Vista Regional Medical Center Hospital, Storm Lake, IA, CCN 161375
• Floyd Valley Healthcare Hospital, Le Mars, IA, CCN 161368
• Mercyone Siouxland Medical Center Hospital, Sioux City, IA, CCN 160153

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: -losty.torrespotter.p20@direct.trinity-healthiowa.nextgenshare.com
• Direct secure messaging: losty.torrespotter.p20@direct.trinity-healthiowa.nextgenshare.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Northwest Iowa Hospital Corporation

  dba St. Luke's Regional Medical Center

  • Emergency Medical Services (Emergency Medicine) Physician
  • Sioux City, IA
  • NPI 1215962550
  Medicare reassignment Care Compare group NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Buena Vista Regional Medical Center

  • Critical Access Hospital
  • Storm Lake, IA
  • NPI 1134191653
  Care Compare affiliation
• Floyd Valley Healthcare

  • Critical Access Hospital
  • Le Mars, IA
  • NPI 1326109315
  Care Compare affiliation
• Northwest Iowa Hospital Corporation

  dba St Lukes Regional Medical Center

  • General Acute Care Hospital
  • Sioux City, IA
  • NPI 1962594622
  Care Compare affiliation
• Sioux Valley Memorial Hospital Association

  dba Cherokee Regional Medical Center

  • Critical Access Hospital
  • Primghar, IA
  • NPI 1689640500
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1434326400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762732800000",
    "number": "1619358603",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "801 5TH ST",
            "city": "SIOUX CITY",
            "state": "IA",
            "postal_code": "511011326",
            "telephone_number": "712-279-2950",
            "fax_number": "712-279-2520"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "801 5TH ST",
            "city": "SIOUX CITY",
            "state": "IA",
            "postal_code": "511011326",
            "telephone_number": "712-279-2950",
            "fax_number": "712-279-2520"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4422 3rd Ave",
            "address_2": "department of internal medicine",
            "address_purpose": "LOCATION",
            "city": "Bronx",
            "state": "NY",
            "postal_code": "104572545",
            "country_code": "US",
            "telephone_number": "718-960-6202",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TORRES POTTER",
        "first_name": "LOSTY",
        "middle_name": "TATIANA",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-06-15",
        "last_updated": "2025-11-10",
        "certification_date": "2025-11-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "IA",
            "license": "MD-47081",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "-losty.torrespotter.p20@direct.trinity-healthiowa.nextgenshare.com",
            "affiliation": "N",
            "endpointDescription": "MercyOne West Iowa Direct Email Adress",
            "address_1": "801 5th St Ste 5436",
            "city": "Sioux City",
            "state": "IA",
            "country_code": "US",
            "postal_code": "511011326",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

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• Endocrinology, Diabetes & Metabolism Physician in Sioux City, IA
• Providers in Sioux City, IA by specialty
• Endocrinology, Diabetes & Metabolism Physician in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 10, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.